Book digitized by Google and uploaded to the Internet Archive by user tpb.
The five folded maps are in pocket
"Bibliography of clay literature": p. 513-518
pt. I. Clay and its properties.--pt. II. The stratigraphy of the New Jersey clays.--pt. III. The manufacture of clay products, with especial reference to the New Jersey industry.--pt. IV. The economic geology of the New Jersey clays